#280A3A#280A3A

#280A3A is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.5% C 0.089 H 309.5°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#280A3A
RGB	rgb(40, 10, 58)
HSL	hsl(278, 71%, 13%)
HSV	hsv(278, 83%, 23%)
CMYK	cmyk(31%, 82.8%, 0%, 77.3%)
CIE-LAB	lab(8.77, 25.19, -24.32)
CIE-LCH	lch(8.77, 35.01, 316.01°)
OKLab	oklab(22.47% 0.0569 -0.0689)
OKLCH	oklch(22.47% 0.089 309.5)
XYZ	xyz(1.7472, 0.9737, 4.0981)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A3A #1C3A0A

analogous

#100A3A #280A3A #3A0A34

triadic

#280A3A #3A280A #0A3A28

tetradic

#280A3A #3A100A #1C3A0A #0A343A

square

#280A3A #3A100A #1C3A0A #0A343A

split-complementary

#280A3A #343A0A #0A3A10

monochromatic

#12051A #12051A #280A3A #4C136E #701CA2

Accessibility & contrast

On white

17.58

#280A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#280A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A3A

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A3A	#FFFFFF	#000000	##FFFFFF
##280A3A	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#031939

Tritanopia (blue-blind)

#251521

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280a3a;
/* rgb */ color: rgb(40, 10, 58);
/* oklch */ color: oklch(22.5% 0.089 309.5);

Tailwind

colors: {
  custom: {
    50: '#644c70',
    500: '#280a3a',
    950: '#000000',
  },
}

SCSS

$custom: #280a3a;
$custom-light: #644c70;
$custom-dark: #000000;

JSON

{
  "hex": "#280a3a",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 58
  },
  "hsl": {
    "h": 277.5,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.22472,
    "c": 0.08933,
    "h": 309.5
  },
  "luminance": 0.00974
}

Semantic roles & 50–950 ramp

primary

#280A3A

secondary

#467728

accent

#ED3A7E

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280A3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →